#!/usr/bin/perl 
# rss-feed für ruthe.de (liferea feed source "command")

use strict;
use LWP::Simple;
use XML::RSS;
use DateTime;
use DateTime::Format::W3CDTF;

my $f = DateTime::Format::W3CDTF->new();
my $rss = XML::RSS->new(version => '1.0');
$rss->channel(
  title        => "Ruthe.de",
  link         => "http://www.ruthe.de",
  description  => "Cartoons",
);

$_ = get("http://ruthe.de/frontend/archiv.php");
while (m#<a href="index.php\?pic=([0-9]+)&sort=datum&order=DESC"><img src="cartoons/tn_strip_([0-9]+).jpg"#sg) {
  my ($id, $picid) = ($1, $2);

  my $picurl = "http://ruthe.de/frontend/cartoons/strip_$picid.jpg";
  my $pagurl = "http://ruthe.de/frontend/index.php?pic=$id&sort=datum&order=DESC";

  my (undef, undef, $modified_time, undef, undef) = head($picurl);
  my $date = $f->format_datetime(DateTime->from_epoch(epoch => $modified_time));

  $rss->add_item(
    title       => "Comic Nr. $picid",
    link        => $pagurl,
    description => "<a href=\"$pagurl\"> <img src=\"$picurl\" /> </a>",
    dc          => { date => $date }, 
  );
}

print $rss->as_string;